No steroid use is risk-free, but most serious harm comes from a handful of avoidable mistakes: no bloodwork, high doses, long runs without breaks, shared or reused needles, and ignoring warning signs.
- Get a health check and baseline bloodwork before you start.
- Stay closer to medical doses and avoid stacking several orals.
- Know the warning signs that mean stop and see a doctor.
Harm reduction is a simple idea: if someone is going to do something risky, help them do it with less risk. Canadian public health uses the same approach for many substances. This guide applies it to anabolic steroids, without judgement and without pretending the risks away.
1. Know your starting point
Before using anything, see a doctor for a general check-up. Ask for blood pressure, a basic heart exam, and bloodwork: testosterone, blood count, cholesterol, liver and kidney tests. If you have high blood pressure, heart disease in the family, liver problems or a history of depression, the risks go up considerably. Our bloodwork guide explains each test and how to get it in Canada.
Age matters too. Using steroids before your mid-twenties, while your own hormones are still settling, carries extra risk to natural production.
2. Dose and duration drive most risk
Side effects rise with dose and time. Medical testosterone replacement uses about 75–100 mg a week. Many of the serious problems doctors see, such as enlarged hearts, very high hematocrit and severe cholesterol changes, come from doses several times higher, held for long periods, often with several compounds at once. Time off between uses lets blood pressure, cholesterol and natural hormones recover.
3. Be careful with oral steroids
Most oral steroids are altered to survive the liver (17-alpha-alkylation), which also makes them hard on it. They lower HDL cholesterol more than injectables do. Combining two orals multiplies that strain. Our explainer on methylated steroids covers why. Avoid alcohol while using them and do not add over-the-counter painkillers like acetaminophen in high amounts.
4. Inject safely, every time
- New, sterile needle and syringe for every injection. Never share anything, including vials.
- Clean skin with alcohol and let it dry.
- Use the standard sites: the side of the hip, outer thigh or shoulder.
- Rotate sites and dispose of sharps at a pharmacy.
Step-by-step technique is in our guide to drawing and injecting safely. Sharing needles spreads hepatitis B, hepatitis C and HIV. Free testing for all three is available through provincial sexual health clinics.
5. Protect your heart
Cardiovascular risk is the biggest long-term concern with steroids. They raise blood pressure, lower HDL, thicken the blood and, over years, can thicken the heart muscle itself. Practical steps:
- Check blood pressure weekly. Pharmacies across Canada have free machines.
- Keep doing cardio. Two or three sessions a week helps blood pressure and lipids.
- Eat oily fish, oats, nuts and plenty of fibre, and keep salt reasonable.
- Donate blood if eligible, which lowers hematocrit. Canadian Blood Services has its own screening rules.
Our article on steroids and cholesterol goes deeper.
6. Watch your mental health
Steroids can affect mood, sleep and irritability, and coming off can bring a low period while hormones recover. Tell someone you trust what you are doing so they can flag changes you might not notice. If you have thoughts of harming yourself or others, call or text 9-8-8, the Suicide Crisis Helpline, available across Canada 24/7. Read more in managing mood on steroids.
7. Know what you are taking
Counterfeit and underdosed products are common in unregulated markets. Buy known brands with consistent packaging and published specifications, and check lot numbers. A product that causes unexpected side effects may not be what the label says.
When to stop and get help
Talking to your doctor
Doctors in Canada are bound by confidentiality, and personal possession of steroids is not a criminal offence. Being upfront lets them monitor you properly, choose the right tests and help if something goes wrong. If your doctor is not supportive, a walk-in clinic or a men’s health clinic may be.
Frequently asked questions
What is the safest way to use steroids?
There is no safe way, only safer ones: bloodwork before and during, doses close to medical ranges, short runs with breaks, sterile injecting, avoiding stacked orals, and stopping at the first warning sign.
Which side effects are the most dangerous?
Cardiovascular effects (high blood pressure, poor cholesterol, thick blood) and liver damage from oral steroids carry the most long-term risk.
Should I tell my doctor I use steroids?
Yes. It is confidential and helps them choose the right tests and read your results correctly.
Photo: Direct Media, StockSnap (public domain).
Harm-reduction information for adults, not medical advice and not encouragement to use. If you are in crisis, call or text 9-8-8.
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